Refreshed Sierra 1500 w/ 6.2L slight miss

This topic contains 1 reply, has 2 voices, and was last updated by firepoggy 1 year, 6 months ago.

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March 11, 2023 at 1:09 pm #751184

zxrj1
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My 2023 Sierra 1500 SLT 6.2 has a slight miss at low rpm . intermittently rough idles, slow acceleration with hesitation, shudder on hill climbs. Has anyone heard of a reason why? it is frustrating.
March 13, 2023 at 1:16 pm #751313

firepoggy
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I would bet fuel injector going out. Known issue with the 6.2
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